Technical Consulting & Engineering in
Echandens

H2O Léman SA

Since 2011 · 11–20 empl.·4.9(147)

The core activity of H2O Leman SA consists of the installation, maintenance and repair of heating, ventilation, sanitary and air conditioning systems, including the planning and implementation of energy efficiency measures and the creation of energy balances. The company also offers services in the field of wastewater management and disposal.

Bâti-conseils Sàrl

Since 2011 · 11–20 empl.·4.5(17)

Bâti-Conseils is a specialist in conducting diagnoses and analyses in the field of environmental and health hazards in buildings. The core activities include: asbestos diagnosis in buildings, air quality measurement (VDI), construction site monitoring and control, analysis of air and water samples (including formaldehyde, microbiology), diagnosis of PCB, HAP, radon, lead and zinc in buildings, and conducting safety and health analyses in buildings. Additionally, the company also offers training and further education in the field of asbestos and environmental protection.

DX Engineering SA

Since 1987 · 11–20 empl.

The core activity of Liard et Dutruit is the provision of services in the fields of construction and engineering, particularly in the following areas: Construction: planning, execution and supervision of construction projects, including the creation of plans and coordination of work. Civil engineering: planning, execution and supervision of infrastructure projects, including the sizing of sewer and road structures. The company thus offers a wide range of services that cover both the planning and execution of construction and infrastructure projects.

Argenius Sàrl

Since 2010 · 11–20 empl.

Argenius Sàrl provides consulting and a software application for the design and optimization of supply and manufacturing networks for manufacturing companies, using modelling and dynamic simulation to evaluate performance and test design alternatives. Services include analysis of key performance indicators (utilization, inventory, lead times, costs) and development of optimized material, capacity and inventory policies.

Argenius Management SA

Since 2015 · 11–20 empl.

Argenius Management SA provides design and optimization of supply and manufacturing networks for manufacturing industries using modelling and dynamic simulation. Services include lean management, change management and risk management, supported by a proprietary software application for performance analysis and scenario testing.

Thorsen Sàrl

Since 2000 · 1–10 empl.·5.0(3)

Thorsen Sàrl is an electrical engineering consultancy providing full SIA project services including preliminary studies, design, coordination, execution and handover. Its services include energy and green-tech solutions (photovoltaics, battery storage), electric-vehicle charging infrastructure, lighting design, network modelling, energy audits, expert assessments, electrical and fire-safety concepts and coordination of OIBT compliance checks.

IW Marison Consulting

Since 2020 · 1–10 empl.

Bâti-conseils Pro Sàrl

Since 2025 · 1–10 empl.